3 Write a number from the box to complete the table of values to represent a function. -3
-2
-1
0
1
2
3
Input
1
-2
0
3
Output
-2
-3
-1
3
0
2
1
4 Does the equation y = x represent a function? Explain why or why not.

How do you solving the solution of each system using elimination?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.